National Weather Service Forecast for: Quincy MA
Issued by: National Weather Service Norton, MA
Updated: 12:46 am EDT Jun 30, 2026
 
Overnight

Overnight: Mostly clear, with a low around 66. Southwest wind around 7 mph.
Mostly Clear

Tuesday

Tuesday: Mostly sunny, with a high near 87. South wind 6 to 11 mph.
Mostly Sunny

Tuesday
Night
Tuesday Night: A chance of showers and thunderstorms, mainly after 10pm.  Mostly cloudy, with a low around 69. Southwest wind 14 to 16 mph.  Chance of precipitation is 30%.
Chance
Showers

Wednesday

Wednesday: Partly sunny and hot, with a high near 94. Heat index values as high as 100. Southwest wind 13 to 16 mph.
Hot

Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms, mainly before midnight.  Partly cloudy, with a low around 77. Southwest wind 9 to 11 mph.  Chance of precipitation is 30%.
Chance
Showers then
Slight Chance
T-storms
Thursday

Thursday: Sunny and hot, with a high near 95. West wind 7 to 9 mph.
Hot

Thursday
Night
Thursday Night: Mostly clear, with a low around 78. West wind around 7 mph.
Mostly Clear

Friday

Friday: Sunny and hot, with a high near 96. West wind 7 to 11 mph.
Hot

Friday
Night
Friday Night: Mostly clear, with a low around 75. West wind 5 to 7 mph.
Mostly Clear

Lo 66 °F Hi 87 °F Lo 69 °F Hi 94 °F Lo 77 °F Hi 95 °F Lo 78 °F Hi 96 °F Lo 75 °F

Extreme Heat Watch
 

Overnight
 
Mostly clear, with a low around 66. Southwest wind around 7 mph.
Tuesday
 
Mostly sunny, with a high near 87. South wind 6 to 11 mph.
Tuesday Night
 
A chance of showers and thunderstorms, mainly after 10pm. Mostly cloudy, with a low around 69. Southwest wind 14 to 16 mph. Chance of precipitation is 30%.
Wednesday
 
Partly sunny and hot, with a high near 94. Heat index values as high as 100. Southwest wind 13 to 16 mph.
Wednesday Night
 
A chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 77. Southwest wind 9 to 11 mph. Chance of precipitation is 30%.
Thursday
 
Sunny and hot, with a high near 95. West wind 7 to 9 mph.
Thursday Night
 
Mostly clear, with a low around 78. West wind around 7 mph.
Friday
 
Sunny and hot, with a high near 96. West wind 7 to 11 mph.
Friday Night
 
Mostly clear, with a low around 75. West wind 5 to 7 mph.
Independence Day
 
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91. West wind 5 to 8 mph. Chance of precipitation is 40%.
Saturday Night
 
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. West wind 3 to 5 mph. Chance of precipitation is 30%.
Sunday
 
Mostly sunny, with a high near 85. Northwest wind 5 to 8 mph becoming northeast in the afternoon.
Sunday Night
 
Partly cloudy, with a low around 66. Southeast wind 3 to 5 mph.
Monday
 
Partly sunny, with a high near 81. Light east wind increasing to 5 to 9 mph in the morning.

 

Forecast from NOAA-NWS for Quincy MA.